Nita Jalkanen says she checks on the avian neighbours that fly into her Edmonton backyard to drink from her bird bath nearly ...

Great Black-backed Gull . The plumage of juvenile and immature great black-backed gulls initially has a complex pattern of black/brown/white showing more contrast than on other yo ...

For centuries, there was a familiar spring and summer element in the Sierra Nevada skies: hundreds of enormous white birds soaring over the lakes and mountains. On land, their courtship displays ...

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.

American white pelicans in flight appear and reappear, their massive white and black-tipped wings tilting as they gently glide on thermals, sending the birds high in the sky.